Maintenance device for main board of process controller

Abstract

The invention belongs to the technical field of heavy water reactor nuclear power plant fuel operation system maintenance, and particularly relates to a process controller mainboard maintenance device which comprises a structural frame, a mainboard battery replacement module, a mainboard maintenance module and a mainboard function test module. A mainboard battery replacement module and a mainboard maintenance module are arranged at the top of the structural frame, a mainboard function test module is arranged at one side end, and a power supply and control module is arranged at the other side end; the power supply and control module is respectively connected with the mainboard battery replacement module, the mainboard maintenance module and the mainboard function test module, and is used for supplying power to the mainboard battery replacement module, the mainboard maintenance module and the mainboard function test module. According to the invention, three functions of process controller mainboard maintenance, battery replacement and function test can be realized at the same time, and the working efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of heavy water reactor nuclear power plant fuel handling system maintenance, and particularly relates to a process controller mainboard maintenance device. BACKGROUND

[0002] The heavy water supply system is used for supplying heavy water to the fuel handling machine, cooling, pressurizing and providing driving force for the fuel handling machine. The whole system is pressurized by a plunger type heavy water pump, and the pressure and temperature control is adjusted by the opening degree of the field pneumatic control valve, and the control of the field pneumatic control valve is completed by the process controller. The battery in the process controller needs to be replaced every five years, and with the increase of the operation time of the unit, the performance and reliability of the process controller in use are gradually reduced, and the function failure needs to be immediately eliminated. A large amount of operations on the process controller mainboard are usually required, including process controller mainboard detection, battery replacement, component maintenance and the like.

[0003] At present, there is no effective fixing device and insulation measure for process controller maintenance, and there is a certain risk of short circuit grounding and equipment falling damage. After the upper and lower layers of the mainboard are connected through the cable, they cannot be fixed, and there is a certain safety hazard. If the function test is required after the controller mainboard is maintained, it needs to be reinstalled into the controller in the main control room, and the distance between the maintenance workshop and the main control room is far, and if there is an abnormality, the process controller mainboard needs to be disassembled again. Such back and forth consumes a long time, and seriously affects the work efficiency.

[0004] Therefore, it is urgent to develop a process controller mainboard maintenance device which can effectively overcome the above problems existing at present. SUMMARY

[0005] The application aims to provide a process controller mainboard maintenance device which is suitable for the maintenance of the process controller of the heavy water reactor unit fuel handling system, and can realize the three functions of process controller mainboard maintenance, battery replacement and function test, and greatly improve the work efficiency.

[0006] The technical scheme for realizing the application:

[0007] A process controller mainboard maintenance device, the device comprises: a structural frame, a mainboard battery replacement module, a mainboard maintenance module, a mainboard function test module; the top of the structural frame is provided with the mainboard battery replacement module and the mainboard maintenance module, one side end is provided with the mainboard function test module, and the other measuring end is provided with a power supply and control module; the power supply and control module is connected with the mainboard battery replacement module, the mainboard maintenance module and the mainboard function test module respectively, and is used for power supply to the mainboard battery replacement module, the mainboard maintenance module and the mainboard function test module.

[0008] Further, the mainboard battery replacement module comprises a mainboard battery replacement position, and the mainboard to be replaced is installed on the mainboard battery replacement position.

[0009] Further, the mainboard maintenance module comprises a mainboard maintenance position, and the mainboard to be maintained is installed in the mainboard maintenance position.

[0010] Further, the mainboard battery replacement module further comprises a connecting line, and the connecting line is arranged on the mainboard battery replacement position.

[0011] Further, the mainboard function test module comprises a mainboard test position, a display module and a data processing module, the mainboard to be function tested is installed in the mainboard test position, the display module is connected with the mainboard to be function tested through a data line, is used for controlling and displaying the set point, function and each interface switching in the mainboard to be function tested, and the data processing module is connected with the display module through a special connecting cable and is used for identifying the controller mainboard to be function tested and modifying and confirming the data and program of the controller mainboard.

[0012] Further, the data processing module comprises a data processing communication software, and the data processing communication software is used for identifying the controller mainboard to be function tested and modifying, confirming and backing up the data and program of the controller mainboard.

[0013] Further, the power supply and control module is connected with the mainboard battery replacement position, the mainboard maintenance position, the display module and the mainboard test position respectively and is used for supplying power to the mainboard battery replacement position, the mainboard maintenance position, the display module and the mainboard test position.

[0014] Further, the power supply and control module, the mainboard battery replacement position, the mainboard maintenance position, the display module and the mainboard test position are connected with each other through a cable and are used for power supply or signal transmission.

[0015] Further, the power supply and control module is further used for providing a power supply and an analog input signal for the mainboard test position and is used for testing the function of the mainboard.

[0016] The beneficial technical effects of the present application are as follows:

[0017] 1. The process controller mainboard maintenance device provided by the present application can realize the three functions of process controller mainboard maintenance, battery replacement and function test simultaneously, greatly improves the work efficiency compared with the present maintenance method, and realizes the one-stop completion of battery replacement, mainboard maintenance and function test, thereby ensuring the intact function of the process controller mainboard.

[0018] 2. The present invention provides a process controller mainboard maintenance device, which can be connected to a host computer by pre-installing a display panel on the device to back up and download data and programs in the process controller mainboard. It has broad application prospects and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural schematic diagram of a process controller mainboard maintenance device provided by the present invention.

[0020] In the figure: 1-mainboard battery replacement position; 2-mainboard maintenance position; 3-cable; 4-display module; 5-mainboard test position; 6-structural frame; 7-power supply and control module. DETAILED DESCRIPTION

[0021] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0022] like Figure 1 As shown, the present invention provides a process controller motherboard maintenance device, comprising: a structural frame 6, a motherboard battery replacement module, a motherboard maintenance module, and a motherboard function test module. The structural frame 6 is provided with the motherboard battery replacement module and the motherboard maintenance module at the top, a motherboard function test module at one end, and a power supply and control module 7 at the other end. The power supply and control module 7 is connected to the motherboard battery replacement module, the motherboard maintenance module, and the motherboard function test module, respectively, to supply power to the motherboard battery replacement module, the motherboard maintenance module, and the motherboard function test module.

[0023] The motherboard battery replacement module includes a motherboard battery replacement position 1. The motherboard whose battery is to be replaced is installed on the motherboard battery replacement position 1, and the battery of the motherboard is replaced on the motherboard battery replacement position 1.

[0024] The mainboard maintenance module includes a mainboard maintenance position 2, and the mainboard to be repaired is installed in the mainboard maintenance position 2.

[0025] The motherboard battery replacement module also includes a connecting line, which is arranged on the motherboard battery replacement position 1. The motherboard battery replacement module is connected to the motherboard maintenance module through the connecting line. Specifically, the motherboard battery replacement position 1 is connected to the motherboard maintenance position 2 through the connecting line.

[0026] The mainboard function test module includes a mainboard test position 5, a display module 4, and a data processing module. The mainboard to be functionally tested is installed in the mainboard test position 5; the display module 4 is connected to the mainboard to be functionally tested through a data cable, and is used to control and display the set points, functions and interface switches in the mainboard to be functionally tested; the data processing module is connected to the display module 4 through a dedicated connecting cable, and is used to identify the controller mainboard to be functionally tested, and to modify and confirm the data and programs of the controller mainboard.

[0027] In particular, the display module 4 is, for example, a display panel.

[0028] In particular, the data processing module comprises data processing communication software, through which the controller mainboard to be functionally tested is identified, and the data and programs of the controller mainboard are modified, confirmed, backed up, etc.

[0029] In particular, the power supply and control module 7 is connected with the mainboard battery replacement position 1, the mainboard maintenance position 2, the display module 4, and the mainboard test position 5, respectively, for supplying power to the mainboard battery replacement position 1, the mainboard maintenance position 2, the display module 4, and the mainboard test position 5.

[0030] In particular, the power supply and control module 7, the mainboard battery replacement position 1, the mainboard maintenance position 2, the display module 4, and the mainboard test position 5 are connected with each other for power supply or signal transmission through the cable 3.

[0031] The power supply and control module 7 is also used to provide a power supply and an analog input signal for the mainboard test position 5 for testing the function of the mainboard.

[0032] Embodiment 1: Process controller mainboard battery replacement

[0033] The disassembled process controller mainboard is installed on the mainboard battery replacement position 1, and the mainboard gold finger is inserted into the power supply slot. After separating the upper and lower layers of the mainboard using a tool, the upper layer of the mainboard is installed on the mainboard maintenance position 2, and the lower layer of the mainboard is retained on the mainboard battery replacement position 1. The upper and lower layers of the mainboard are connected through the corresponding plugs. The battery is replaced using a welding tool. After the battery replacement is completed, the plug of the connecting line is removed, the upper layer of the mainboard is removed from the mainboard maintenance position 2, the upper layer of the mainboard is reinstalled on the lower layer of the mainboard, the bolts are tightened, and the mainboard is removed from the mainboard battery replacement position 1.

[0034] Embodiment 2: Process controller mainboard maintenance

[0035] The process controller mainboard to be maintained is installed on the mainboard battery replacement position 1, and the mainboard gold finger is inserted into the power supply slot. The upper and lower layers of the mainboard are separated using a tool, the lower layer of the mainboard is installed on the mainboard maintenance position 2, and the upper layer of the mainboard is retained on the mainboard battery replacement position 1. The mainboard is maintained using a mainboard maintenance tool. After the maintenance is completed, the lower layer of the mainboard is removed from the mainboard maintenance position 2, the upper and lower layers of the mainboard are combined together and the bolts are tightened, and the mainboard is removed from the mainboard battery replacement position 1.

[0036] Embodiment 3: Process controller mainboard function test

[0037] The process controller mainboard to be tested is installed on the mainboard test site 5, the mainboard golden finger is inserted into the power supply slot, the data flat cable of the display module 4 is connected to the mainboard, the set point, function and each interface switching in the process controller mainboard are controlled through the display module 4. The data processing module (such as the upper computer) and the display module 4 are connected together through a special connecting cable, the controller mainboard is identified in the data processing communication software of the data processing module; the data and program of the process controller mainboard are modified and confirmed in the data processing communication software of the data processing module.

[0038] The application is described in detail above in combination with the drawings and examples, but the application is not limited to the above examples, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the application. The contents not described in detail in the application can adopt the prior art.

Claims

1. A process controller mainboard maintenance device, characterized in that: The device comprises: a structural frame (6), a mainboard battery replacement module, a mainboard repair module, and a mainboard function test module; the mainboard battery replacement module and the mainboard repair module are arranged on the top of the structural frame (6), a mainboard function test module is arranged on one side, and a power supply and control module (7) is arranged on the other side; the power supply and control module (7) is respectively connected to the mainboard battery replacement module, the mainboard repair module, and the mainboard function test module, and is used to supply power to the mainboard battery replacement module, the mainboard repair module, and the mainboard function test module.

2. A process controller mainboard maintenance device according to claim 1, characterized in that: The mainboard battery replacement module comprises a mainboard battery replacement position (1), a mainboard whose battery is to be replaced is mounted on the mainboard battery replacement position (1), and the mainboard battery is replaced on the mainboard battery replacement position (1).

3. A process controller mainboard maintenance device according to claim 2, characterized in that: The mainboard repair module comprises a mainboard repair position (2), and the mainboard to be repaired is installed in the mainboard repair position (2).

4. A process controller mainboard maintenance device according to claim 3, characterized in that: The mainboard battery replacement module further comprises a connecting line, which is arranged on the mainboard battery replacement position (1), and the mainboard battery replacement position (1) is connected to the mainboard maintenance position (2) via the connecting line.

5. A process controller mainboard maintenance device according to claim 4, characterized in that: The motherboard function test module comprises a motherboard test position (5), a display module (4), and a data processing module, and the motherboard to be functionally tested is installed in the motherboard test position (5); The display module (4) is connected to the mainboard to be functionally tested via a data cable, and is used to control and display the set points, functions and various interface switches within the mainboard to be functionally tested; the data processing module is connected to the display module (4) via a dedicated connection cable, and is used to identify the controller mainboard to be functionally tested, and to modify and confirm the data and programs of the controller mainboard.

6. A process controller mainboard maintenance device according to claim 5, characterized in that: The data processing module includes data processing communication software, which is used to identify the controller mainboard to be functionally tested, and to modify, confirm, and back up the data and programs of the controller mainboard.

7. A process controller mainboard maintenance device according to claim 5, characterized in that: The power supply and control module (7) is respectively connected to the mainboard battery replacement position (1), the mainboard maintenance position (2), the display module (4), and the mainboard test position (5), and is used to supply power to the mainboard battery replacement position (1), the mainboard maintenance position (2), the display module (4), and the mainboard test position (5).

8. A process controller mainboard maintenance device according to claim 5, characterized in that: The power supply and control module (7), the mainboard battery replacement position (1), the mainboard maintenance position (2), the display module (4), and the mainboard test position (5) are connected to each other through a cable (3) for power supply or signal transmission.

9. A process controller mainboard maintenance device according to claim 5, characterized in that: The power supply and control module (7) is also used to provide power supply and analog input signals to the mainboard test position (5) for testing mainboard functions.

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